81384016

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 189987840

約数和(自身を除く): 108603824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 41, 56, 74, 82, 112, 148, 164, 259, 287, 296, 328, 479, 518, 574, 592, 656, 958, 1036, 1148, 1517, 1916, 2072, 2296, 3034, 3353, 3832, 4144, 4592, 6068, 6706, 7664, 10619, 12136, 13412, 17723, 19639, 21238, 24272, 26824, 35446, 39278, 42476, 53648, 70892, 78556, 84952, 124061, 137473, 141784, 157112, 169904, 248122, 274946, 283568, 314224, 496244, 549892, 726643, 992488, 1099784, 1453286, 1984976, 2199568, 2906572, 5086501, 5813144, 10173002, 11626288, 20346004, 40692008, 81384016]

約数ペア:

[(1, 81384016), (2, 40692008), (4, 20346004), (7, 11626288), (8, 10173002), (14, 5813144), (16, 5086501), (28, 2906572), (37, 2199568), (41, 1984976), (56, 1453286), (74, 1099784), (82, 992488), (112, 726643), (148, 549892), (164, 496244), (259, 314224), (287, 283568), (296, 274946), (328, 248122), (479, 169904), (518, 157112), (574, 141784), (592, 137473), (656, 124061), (958, 84952), (1036, 78556), (1148, 70892), (1517, 53648), (1916, 42476), (2072, 39278), (2296, 35446), (3034, 26824), (3353, 24272), (3832, 21238), (4144, 19639), (4592, 17723), (6068, 13412), (6706, 12136), (7664, 10619)]